F3 Moderate Moderate DIY

GE Oven F3 / F4 — Oven Sensor Open or Shorted

GE Oven · Error code F3

What F3 Means

F3 (open) and F4 (shorted) mean the oven temperature sensor circuit is out of range, so the control cannot read oven temperature.

Most Likely Fix

Open oven temperature sensor circuit

PartOven temperature sensor (RTD probe)
Typical cost$15-30
Difficultyeasy
Time30 min

Tools: screwdriver, nut driver, multimeter

Diagnose first: Indicates open circuit in sensor or its harness. Test sensor for ~1080 ohms at room temp; check harness continuity from sensor to control board.

Find this part on Amazon →

If the primary fix doesn't resolve it:

PartOven sensor wire harness
Typical cost$20-50
Find this part on Amazon →

Symptoms

  • Oven will not heat or heats wrong
  • F3 or F4 on the display

Common Causes

1
Failed oven sensor (RTD)

The probe has gone open or shorted.

2
Damaged sensor wiring/connector

A burnt or loose connector behind the oven.

How to Fix It

  1. Unplug the oven.
  2. Measure the sensor resistance (~1080 ohms at room temp) — replace if open or shorted.
  3. Inspect the sensor harness connector at the rear.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement GE Oven Temperature Sensor View on Amazon→

Related Repair Guides

How to Replace an Oven Bake Element →How to Test an Oven Temperature Sensor (RTD) →Oven Not Heating or Not Reaching Temperature →Oven Temperature Is Off — How to Calibrate It →

More GE Oven Codes

dF dF — Door Latch Switch Fault F0 Range/Oven F0 — Keypanel Problem F1 F1 — Control Failure / Runaway F2 F2 — Oven Over-Temperature F30 F30 — Open Probe / Meat Probe Circuit F31 F31 — Shorted Meat Probe

All GE codes → All oven codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.